Property "freqModel" not found on type "Item"

import QtQuick 2.15
import QtQml 2.15
import CppClasses 1.0

Item {
    id: item
    property AirportFreqModel freqModel
    Item {
        id: listView
        Component.onCompleted: {
            listView.height =  item.freqModel ? item.freqModel.rowCount() : 0;
        }
    }
}

import QtQuick.tooling 1.2

Module {
        Component {
                name: "AirportFreqModel"
                prototype: "QAbstractListModel"
                exports: ["CppClasses/AirportFreqModel 1.0"]
                Property { name: "objectName"; type: "QString" }
                Property { name: "isEmpty"; type: "bool" }
                Property { name: "length"; type: "int" }
                Signal {
                        name: "destroyed"
                        Parameter { name: ""; type: "QObject*" }
                }
                Signal {
                        name: "destroyed"
                }
                Signal {
                        name: "objectNameChanged"
                        Parameter { name: "objectName"; type: "QString" }
                }
                Method {
                        name: "deleteLater"
                }
                Method {
                        name: "rowCount"
                        Parameter { name: "parent"; type: "QModelIndex" }
                }
                Method {
                        name: "rowCount"
                }
        }
}